The Silurian hypothesis: could prior civilizations exist?

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Adam Frank is an astrophysicist and leading expert on the final stages of evolution for stars like the sun using advanced supercomputer tools for studying how stars form and how they die.

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OUTLINE

00:00 - Search for Extraterrestrial Intelligence (SETI)

01:02 - the first exoplanet discovery

02:49 - Techno-signatures

05:36 - the silurian hypothesis

10:28 - gaps in the fossil record

16:12 - alternate technology of ancient civilizations

17:12 - the 2 meanings of a "theory"

20:30 - Townsend Brown & the Biefeld-Brown effect

24:08 - why there's no such thing as anti-gravity

31:56 - science for public vs. private knowledge

35:28 - military insiders on aliens & UFOs

42:37 - the universe is accelerating

45:35 - why personal testimony on UFOs is useless

49:17 - the greatest minds don't go into government

54:29 - aliens didn't come from other planets

59:45 - where human evolution is headed

01:03:13 - interstellar distances are not travelable

01:07:01 - the dark inspiration behind Arc Raiders

01:09:47 - the danger of current AI technology

01:17:44 - doomsday scenario where AI becomes useless

01:25:11 - the transformation of humans into cyborgs

01:31:08 - how humans change with technology

01:32:52 - what brings down human civilizations

01:36:53 - why moon landing deniers are full of s**t

01:41:42 - commercial space travel

01:46:34 - abandoning a shared reality

01:48:20 - science = national prospertity (china is gaining influence)

01:51:25 - the south pole & weird things about the moon

01:57:04 - the rare earth hypothesis

02:01:41 - how organisms change the atmosphere & climate

02:07:49 - climate patterns throughout Earth's history

02:13:02 - Earth's 5 mass extinction events

02:14:08 - "don't save the earth, save yourself"

02:16:48 - why top scientists disagree on climate

02:24:31 - the state of solar power

02:32:46 - pollution from SpaceX

02:34:56 - the younger dryas impact hypothesis

02:39:22 - the astrobiology field

02:41:54 - the Channeled Scablands

02:44:05 - what really happened to megafauna

02:45:25 - the ethics of human preservation

02:46:27 - human life may have started on Mars

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